German Bowtie
The act of taking your penis, rolling it under you sack, making you nuts stick up, and your dick stick sideways, making it look like a bowtie.
Mitch: Dude look at my German Bowtie!
Matt: HOLY SHIT! I DID THAT TO MY DAD LAST NIGHT!
Matt: HOLY SHIT! I DID THAT TO MY DAD LAST NIGHT!